import { login, logout, getInfo } from '@/api/user'
import { getToken, setToken, removeToken } from '@/utils/auth'
import { resetRouter } from '@/router'

const user = {
  namespaced: true,
  state: () => ({
    userInfo: { name: "qiankun" },
    globalConfig: { formSize: "small" },
    token: getToken(),
    name: '',
    avatar: '',
    introduction: '',
    roles: []
  }),
  mutations: {
    UPDATE_USER_INFO_ITEM(state, payload) {
      state[payload.key] = payload.value;
    },
    UPDATE_GLOBAL_CONFIG_ITEM(state, payload) {
      state[payload.key] = payload.value;
    },
    UPDATE_USER_INFO(state, payload) {
      state.userInfo = payload;
    },
    UPDATE_GLOBAL_CONFIG(state, payload) {
      state.globalConfig = payload;
    },
    SET_TOKEN: (state, token) => {
      state.token = token
    },
    SET_INTRODUCTION: (state, introduction) => {
      state.introduction = introduction
    },
    SET_NAME: (state, name) => {
      state.name = name
    },
    SET_AVATAR: (state, avatar) => {
      state.avatar = avatar
    },
    SET_ROLES: (state, roles) => {
      state.roles = roles
    }
  },
  actions: {
    // user login
    login({ commit }, userInfo) {
      const { username, password } = userInfo
      return new Promise((resolve, reject) => {
        login({ username: username.trim(), password: password }).then(response => {
          const { data } = response
          commit('SET_TOKEN', data.token)
          setToken(data.token)
          resolve(response)
        }).catch(error => {
          reject(error)
        })
      })
    },
    // get user info
    getInfo({ commit, state }) {
      return new Promise((resolve, reject) => {
        getInfo(state.token).then(response => {
          const { data } = response

          if (!data) {
            return reject('Verification failed, please Login again.')
          }

            const { roles, name, avatar, introduction } = data
    
            // roles must be a non-empty array
            if (!roles || roles.length <= 0) {
              reject('getInfo: roles must be a non-null array!')
            }
    
            commit('SET_ROLES', roles)
            commit('SET_NAME', name)
            commit('SET_AVATAR', avatar)
            commit('SET_INTRODUCTION', introduction)
          resolve(data)
        }).catch(error => {
          reject(error)
        })
      })
    },

    // user logout
    logout({ commit, state }) {
      return new Promise((resolve, reject) => {
        logout(state.token).then(() => {
          removeToken() // must remove  token  first
          resetRouter()
          commit('RESET_STATE')
          resolve()
        }).catch(error => {
          reject(error)
        })
      })
    },

    // remove token
    resetToken({ commit }) {
      return new Promise(resolve => {
        removeToken() // must remove  token  first
        commit('RESET_STATE')
        resolve()
      })
    }
  }
}
export default user;

